Dynamic bending of a symmetric piezoelectric laminated plate with a through crack

被引：31
|
作者：
Shindo, Y [1 ]
Domon, W
Narita, F
机构：
[1] Tohoku Univ, Grad Sch Engn, Dept Mat Proc, Sendai, Miyagi 9808579, Japan
[2] ZEXEL, Shibuya Ku, Tokyo 1050002, Japan
来源：
THEORETICAL AND APPLIED FRACTURE MECHANICS | 1998年 / 28卷 / 03期
关键词：
dynamic bending; symmetric piezoelectric laminated plate; through crack;
D O I：
10.1016/S0167-8442(98)00003-2
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The dynamic theory of linear piezoelectricity is applied to analyze the scattering of time harmonic flexural waves by a through crack in a symmetric piezoelectric laminated plate subjected to electric field loading. An incident wave giving rise to moments symmetric about the crack plane is considered. Piezoelectric layers are added to the upper and lower surfaces. Classical lamination theory is extended to include dynamic piezoelectric effects. Fourier transforms are used to reduce the problem to the solution of a pair of dual integral equations, the solution of which is then expressed in terms of a Fredholm integral equation of the second kind. The dynamic moment intensity factor vs. frequency is computed and the influence of the electric field on the normalized values is displayed graphically. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：175 / 182
页数：8
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